- In 2003, there were 12 tornadoes in Ohio resulting in 18 injuries and no deaths.

- National Weather Service (NWS) offices in Wilmington and Cleveland, Ohio; Pittsburgh, Pennsylvania; Charleston, West Virginia; and Syracuse, Indiana provide warnings for Ohio.

- The NWS uses Doppler weather radar to detect the air movement within thunderstorms. Early detection of increasing rotation aloft within a thunderstorm can allow lifesaving warnings before the tornado forms